Home / 242,337,985.60-363,497,647.20-80,779,921.60

Finding the Fourth Proportional to 242,337,985.60, 363,497,647.20 and 80,779,921.60

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Solution

The fourth proportional to 242,337,985.60, 363,497,647.20 and 80,779,921.60 is: 121,166,771.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,337,985.60 : 363,497,647.20 = 80,779,921.60 : x
  2. Step 2: Convert to fraction form
    242,337,985.60/363,497,647.20 = 80,779,921.60/x
  3. Step 3: Cross multiply
    242,337,985.60x = 363,497,647.20 × 80,779,921.60
  4. Step 4: Simplify right side
    242,337,985.60x = 29,363,311,442,600,456
  5. Step 5: Solve for x
    x = 29,363,311,442,600,456/242,337,985.60
  6. Step 6: Final answer
    x = 121,166,771.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.